Birdcages at Rose and Radish

We've never been big on birdcages as decoration - it just seems like a large piece of clutter we could do without, and a little bit old lady-ish, to be honest. Yet in this case, we don't care. Bird or no, these are too beautiful not to love.

Made in Vietnam of lacquered wood, each piece is done by hand - and carry little irregularities in the paint as proof. We really like the colors, too (described as "Malibu" and "Blueberry"). Here's our question - besides a bird, would you store anything in your birdhouse or leave it empty, strictly as decoration?